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Finding the Fourth Proportional to 569,315.79, 785,656.53 and 327,593.57

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Solution

The fourth proportional to 569,315.79, 785,656.53 and 327,593.57 is: 452,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,315.79 : 785,656.53 = 327,593.57 : x
  2. Step 2: Convert to fraction form
    569,315.79/785,656.53 = 327,593.57/x
  3. Step 3: Cross multiply
    569,315.79x = 785,656.53 × 327,593.57
  4. Step 4: Simplify right side
    569,315.79x = 257,376,023,528.23
  5. Step 5: Solve for x
    x = 257,376,023,528.23/569,315.79
  6. Step 6: Final answer
    x = 452,079.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.